query nullableStringArg($nonNullableVar: String!, $nonNullableList: [String!]!, $nonNullableListList: [[Int!]!]) {
arguments {
nullableString(nullableString: $nonNullableVar)
nullableList(nullableList: $nonNullableList)
nullableListList(nullableListList: $nonNullableListList)
}
}
type Query {
arguments: Arguments
}
type Arguments {
nullableString(nullableString: String): String
nullableList(nullableList: [String]): String
nullableListList(nullableListList: [[Int]]): Int
}